Can you find out the missing number in the grid?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

I can be cracked, made, told, and played. What am I?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?